CH647921GA3 - - Google Patents

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Publication number
CH647921GA3
CH647921GA3 CH336981A CH336981A CH647921GA3 CH 647921G A3 CH647921G A3 CH 647921GA3 CH 336981 A CH336981 A CH 336981A CH 336981 A CH336981 A CH 336981A CH 647921G A3 CH647921G A3 CH 647921GA3
Authority
CH
Switzerland
Prior art keywords
voltage
reduction circuit
periods
regulated
voltage reduction
Prior art date
Application number
CH336981A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6822180A external-priority patent/JPS56163473A/ja
Priority claimed from JP6822380A external-priority patent/JPS56168185A/ja
Priority claimed from JP6822280A external-priority patent/JPS56168184A/ja
Application filed filed Critical
Publication of CH647921GA3 publication Critical patent/CH647921GA3/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • G04G19/04—Capacitive voltage division or multiplication
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/08—Arrangements for preventing voltage drop due to overloading the power supply
CH336981A 1980-05-22 1981-05-22 CH647921GA3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6822180A JPS56163473A (en) 1980-05-22 1980-05-22 Electronic timepiece
JP6822380A JPS56168185A (en) 1980-05-22 1980-05-22 Electronic timepiece
JP6822280A JPS56168184A (en) 1980-05-22 1980-05-22 Electronic timepiece

Publications (1)

Publication Number Publication Date
CH647921GA3 true CH647921GA3 (fr) 1985-02-28

Family

ID=27299664

Family Applications (1)

Application Number Title Priority Date Filing Date
CH336981A CH647921GA3 (fr) 1980-05-22 1981-05-22

Country Status (4)

Country Link
US (1) US4395138A (fr)
CH (1) CH647921GA3 (fr)
GB (1) GB2077004B (fr)
HK (1) HK88685A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761981A (en) * 1980-10-01 1982-04-14 Hitachi Ltd Electronic circuit using voltage reguction means
JPS5835613A (ja) * 1981-08-27 1983-03-02 Toshiba Corp 電子回路
JPH0830742B2 (ja) * 1987-01-26 1996-03-27 セイコーエプソン株式会社 アナログ電子時計
US5235520A (en) * 1989-10-20 1993-08-10 Seiko Epson Corporation Integrated circuit having a function for generating a constant voltage
EP0818719B1 (fr) * 1995-11-07 2002-08-14 Citizen Watch Co., Ltd. Attaqueur a forte charge pour minuterie electronique
US6246184B1 (en) 1999-08-03 2001-06-12 Texas Instruments Incorporated Flashlight boost regulator
US6744698B2 (en) * 2001-03-08 2004-06-01 Seiko Epson Corporation Battery powered electronic device and control method therefor
JP6385176B2 (ja) * 2014-07-16 2018-09-05 エイブリック株式会社 アナログ電子時計
JP6610048B2 (ja) * 2015-07-14 2019-11-27 セイコーエプソン株式会社 半導体装置および電子時計
DE102017200054A1 (de) * 2017-01-04 2018-07-05 Robert Bosch Gmbh Oszillatorvorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999368A (en) * 1974-12-11 1976-12-28 Citizen Watch Co., Ltd. Circuit for an electronic timepiece
JPS5240371A (en) * 1975-09-27 1977-03-29 Citizen Watch Co Ltd Electronic watch
JPS5413378A (en) * 1977-07-01 1979-01-31 Citizen Watch Co Ltd Electronic watch
JPS5498677A (en) * 1978-01-11 1979-08-03 Citizen Watch Co Ltd Electronic watch
JPS5731333A (en) * 1980-07-31 1982-02-19 Suwa Seikosha Kk Power source circuit system

Also Published As

Publication number Publication date
HK88685A (en) 1985-11-15
GB2077004B (en) 1983-10-26
US4395138A (en) 1983-07-26
GB2077004A (en) 1981-12-09

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